Excell Precision FM user manual Transmission Interface, OP-01 RS232/RS485 Serial Output with RTC

Models: FM

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EXCELL PRECISION CO., LTD.

<Chapter 7> Transmission Interface

7-1 OP-01 RS232/RS485 Serial Output (with RTC)

CN3 CN2

1 2 3

1 2 3

To short 1 and 2 pins is RS485 output.

To short 2 and 3 pins is RS232 output.

2Pin Allocation of Rear Panel

 

 

 

 

 

Pin

Function

 

 

 

 

 

2

RXD

5

4

3

2

1

3

TXD

 

 

9

8

7

6

 

5

SG

 

 

 

 

 

6

DA

 

 

 

 

 

7

DB

4RS485 interface is capable to connect up to 10 mini-indicators.

FM User Manual

24

SME300000119

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Image 25
Excell Precision FM Transmission Interface, OP-01 RS232/RS485 Serial Output with RTC, Pin Allocation of Rear Panel